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The Access Grid. An Introduction. Rick Stevens, Terry Disz, Lisa Childers, Bob Olson Argonne National Laboratory www.mcs.anl.gov/fl/accessgrid ([email protected]). Physical Node Design. Presenter mic. Spaces for small groups Wide field of view Comfortable Persistent connection.

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the access grid

The Access Grid

An Introduction

Rick Stevens, Terry Disz, Lisa Childers, Bob Olson

Argonne National Laboratory

www.mcs.anl.gov/fl/accessgrid

([email protected])

physical node design
Physical Node Design

Presenter

mic

  • Spaces for small groups
  • Wide field of view
  • Comfortable
  • Persistent connection

Presenter

camera

Ambient mic

(tabletop)

Audience camera

audio
Audio
  • Hands free
    • No click to talk
    • No searching for microphones
    • Never have to think about microphones
  • Interactive
    • Interrupt other speakers
    • Multiple conversations at the same time
    • Full duplex
  • Clear
    • No background noise
    • Rich-sounding speech
  • No feedback
  • No echo
video
Video
  • Scale of imagery life-sized
  • Highest quality, but affordable
  • Multiple video streams
    • Presenter close-up
    • Audience view
    • Audience close-up
    • Display wall
slide5
Data
  • Shared
    • Powerpoint
    • VNC
    • Visualization
  • Archived
    • Voyager
network
Network
  • Hardening multicast infrastructure
    • http://beaconserver.accessgrid.org:9999/
  • Large-scale networking testbed
    • Higher bandwidth
    • QoS
  • Networking people active members of the AG community
the muds
The Muds
  • Two muds are used in the AG community
    • Access Grid Hangout Room
      • Character generation is controlled
      • Characters reside there permenantly
      • Long-term social relationships have developed
    • Access Grid Venue
      • Character generation is automatic
      • Characters come and go
      • Usage is event-driven
virtual collaboration spaces
Virtual Collaboration Spaces

Virtual Venue

  • A persistent location on the grid
    • Not a physical space
    • A dimension in which several physical spaces can be co-located
    • A place that can be entered and exited
  • Supports multiple interaction modalities
    • Text, audio, video graphics, animation, VR
  • A scoping mechanism to support multiple concurrent meetings
  • A resource that can be reserved
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